River Falls journal. [volume] (River Falls, Pierce County, Wis.) 1872-2019, 1887-12-01
STABLE VENTILATION.
Tow It May BE Secured without Much
Trouble or Difficulty.

Tow It May BE Secured without Much
Trouble or Difficulty.
Foul air pOis0ns farm animals as
apidly and surely as it roisons human
,eings. and in all cases the poisoning
produces substantially the same effect
loss of vigor and thrift, eliminating
n disease. This alone would make IL
IS necessary to ventilate stock shelters
5 to yentilate our own dwellings. But
n addition, the air in the former is
more rapidly contaminated. The mat
ers thrown off by the lungs and the
kin of the farm animal are. compared
with the air enclosed in the shelter of
zach, apt TO exceed the deleterious
natter from the same organs OF the
human being. while the excrement OF
he farm animals must add much hurt
ful matter to the air of their shelters
L 10 not practicable 10 remove the
iroppings as soon as they are Deposit
ID. and they. together with the urine
and the fermenting. decomposing bed
ling. are filling the air with hurtful
matters with such rapidity rs to call
oudly for thorough ventilation.
Apparently, many suppose that if
he foul air is allowed 10 escape and
he pure air TO enter. the shelter can
lot be made too warm. But this is
1ot the case. The bodily heat of the
animals is being constantly produced
oy an internal union of carbon (from
The food taken into the stomach). and
If oxygen Qrom air taken into the
.ungs); hence by a slow combustion it
$ being as constantly radiated into
he surrounding atmosphere. If the
atmosphere is of low temperature,
Or if il is in motion, the radiation is
more rapid. l,ence, we can retard
his radiation by combining about the
animals body of still air. and this
we seek to do by sheltering. We also
Ieek by shelters to ward off snow and
:ains; for these. being of low tenn
perature. falling upon the animals
chill them. as the bodily heat is rapid
" transferred to the snow or rain.
A gentle current will not abstract
The bodily heat so rapidly as to men-
ice the health of the animals or to
cause a large consumption of food in
The production of bodily heat. In fact.
% retard the escape Of this heat rs
much as would be done by keeping
about the animals for a long time 4
body of perfectly still air, would be
lnhealthfuL A vertical current of air
so gently that it will not mater; ally
reduce the temperature of the shelter
will. nevertheless. be ample for ven-
.ilation. A veIticle current is better
chan horizontal one. for il will not
strike so Immediately and directly
npon the animals. This vertical cur
-ent is easily got. The air. being
heated by the heat radiated from the
animals. is made lighter and rises TO
the roof. the foul air will pass out
while the outside. pure air. being
colder and heavier, viii sink to take
its place. This verticle displacement
of air is so gentle that the outside
air that enters will scarcely lower the
temperature of the shelter. The OPEN
ings in the roof can be protected from
snow and rain by cupolas.
In the less pretentious shelters the
openings can be made just under tho
caves They will as well suffice fol
ventilation while the caves will keep
out the rain and the snow. In al
cases the sides of the shelter are to be
made as tight as possible. except
when and where the openings are
made under the caves. A small knot
hole on level with the bodies of the
animals will reduce the temperature
of the shelter ten times as much, and
not accomplish one per cent. as much
in ventilation as two openings of hall
a square foot each in the roof There
should be no direct openings below in.
to the outer air; and in one story
structures no air shafts are needed;
the openings in the roof or under the
caves will suffice. John n. StGhl, in
~ Z. Farmer.